206468240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^2$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 551911104

約数和(自身を除く): 345442864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 101, 110, 115, 176, 184, 202, 220, 230, 253, 368, 404, 440, 460, 505, 506, 808, 880, 920, 1010, 1012, 1111, 1265, 1616, 1840, 2020, 2024, 2222, 2323, 2530, 4040, 4048, 4444, 4646, 5060, 5555, 8080, 8888, 9292, 10120, 10201, 11110, 11615, 17776, 18584, 20240, 20402, 22220, 23230, 25553, 37168, 40804, 44440, 46460, 51005, 51106, 81608, 88880, 92920, 102010, 102212, 112211, 127765, 163216, 185840, 204020, 204424, 224422, 234623, 255530, 408040, 408848, 448844, 469246, 511060, 561055, 816080, 897688, 938492, 1022120, 1122110, 1173115, 1795376, 1876984, 2044240, 2244220, 2346230, 2580853, 3753968, 4488440, 4692460, 5161706, 8976880, 9384920, 10323412, 12904265, 18769840, 20646824, 25808530, 41293648, 51617060, 103234120, 206468240]

約数ペア:

[(1, 206468240), (2, 103234120), (4, 51617060), (5, 41293648), (8, 25808530), (10, 20646824), (11, 18769840), (16, 12904265), (20, 10323412), (22, 9384920), (23, 8976880), (40, 5161706), (44, 4692460), (46, 4488440), (55, 3753968), (80, 2580853), (88, 2346230), (92, 2244220), (101, 2044240), (110, 1876984), (115, 1795376), (176, 1173115), (184, 1122110), (202, 1022120), (220, 938492), (230, 897688), (253, 816080), (368, 561055), (404, 511060), (440, 469246), (460, 448844), (505, 408848), (506, 408040), (808, 255530), (880, 234623), (920, 224422), (1010, 204424), (1012, 204020), (1111, 185840), (1265, 163216), (1616, 127765), (1840, 112211), (2020, 102212), (2024, 102010), (2222, 92920), (2323, 88880), (2530, 81608), (4040, 51106), (4048, 51005), (4444, 46460), (4646, 44440), (5060, 40804), (5555, 37168), (8080, 25553), (8888, 23230), (9292, 22220), (10120, 20402), (10201, 20240), (11110, 18584), (11615, 17776)]